buttons added to java's homework5 and makefile now works as well

338/homework5/App.java

@@ -6,8 +6,49 @@ Description: Builds a basic school data tracker
 	Course information is also available
 	Input is read from file
 */
-public class App {
+import javafx.application.Application;
+import javafx.scene.Scene;
+import javafx.scene.control.Label;
+import javafx.scene.control.Button;
+import javafx.scene.layout.StackPane;
+import javafx.stage.Stage;
+import javafx.scene.layout.GridPane;
+
+public class App extends Application {
+	static public School school_;
+	
+	@Override
+	public void start(Stage stage) {
+		// make the initial menu with three buttons
+		stage.setTitle("School App");
+		// main menu buttons
+		Button instButton = new Button("Instructors");
+		Button studButton = new Button("Students");
+		Button courButton = new Button("Courses");
+		
+		// creating the initial scene to draw thigns onto
+		GridPane grid = new GridPane();
+		grid.add(instButton, 1, 0, 1, 1);
+		grid.add(studButton, 1, 1, 1, 1);
+		grid.add(courButton, 1, 2, 1, 1);
+
+		Scene scene = new Scene(grid, 1280, 720);
+		stage.setScene(scene);
+
+		// render the scene
+		stage.show();
+	}
 	public static void main(String[] args) {
+		// First we'll create a school
+		School.createSchool("CSUMB");
+		school_ = School.getSchool();
+		// Next we'll populate it with some data
+		school_.readData("data1.txt");
+		school_.readData("data2.txt");
+		// Next we'll create the UI
+		launch();
+	}
+	public static void legacy_main(String[] args) {
 		String dataFile1 = "data1.txt";
 		String dataFile2 = "data2.txt";
 
@@ -17,7 +58,9 @@ public class App {
 
 		// first we'll read in some data
 		System.out.println("===== Read Data 1 =====");
-		School SCD = new School("CSUMB");
+		School.createSchool("CSUMB");
+		
+		School SCD = School.getSchool();
 		// get all basic info about the SCD
 		SCD.readData(dataFile1);
 

338/homework5/School.java

@@ -3,21 +3,46 @@ import java.util.HashMap;
 import java.io.BufferedReader;
 import java.io.FileReader;
 import java.io.IOException;
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
 
-// NOTE: there will probably only be one instance of a school object ever
+/* NOTE::editor: micro complains about all javafx things just ignore */
 public class School {
-	private ArrayList<Instructor> instructorList;
-	private ArrayList<Course> courseList;
-	private ArrayList<Student> studentList;
+	private ObservableList<Instructor> instructorList;
+	private ObservableList<Course> courseList;
+	private ObservableList<Student> studentList;
 	private String name;
 	
-	public School(/*String file,*/ String schoolName) {
-		this.instructorList = new ArrayList<Instructor>();
-		this.courseList = new ArrayList<Course>();
-		this.studentList = new ArrayList<Student>();
+	private static School inst = null;
+
+	private School(/*String file,*/ String schoolName) {
+		instructorList = FXCollections.observableArrayList();
+		courseList = FXCollections.observableArrayList();
+		studentList = FXCollections.observableArrayList();
 
 		this.name = schoolName;
-		//readData(file);
+	}
+	
+	// These two methods secure the singleton pattern for ur
+	public static School getSchool() {
+		return inst;
+	}
+
+	public static void createSchool(String schoolName) {
+		if(inst == null) {
+			inst = new School(schoolName);
+		}
+	}
+
+	public void editCourse(Course c) {
+		/* Helper func to notify an actual change for the ui */
+		int k = courseList.indexOf(c);
+		courseList.set(k,c);
+	}
+
+	public void editStudent(Student s) {
+		int k = studentList.indexOf(s);
+		studentList.set(k,s);
 	}
 	public void readData(String filename) {
 			try {
@@ -237,6 +262,7 @@ public class School {
 		}
 		
 		tmp.graduate();
+		editStudent(tmp);
 		return true;
 	}
 
@@ -252,22 +278,26 @@ public class School {
 		}
 		// if the student is there but not enrolled in that course then just create a new student with new data
 		tmp.enroll(courseID, floatGrade, letterGrade);
+		editStudent(tmp);
 		return true;
 	}
 	public void drop(int studentID, int courseID) {
 		for(Student s : studentList) {
 			if(s.id == studentID) {
 				s.grades.remove(courseID);
+				editStudent(s);
 			}
 		}
 	}
 	public void assign(int instructorID, int courseID) {
 		Course c = getCourse(courseID);
 		c.instructorID = instructorID;
+		editCourse(c);	
 	}
 	public void unassign(int instructorID, int courseID) {
 		Course c = getCourse(courseID);
 		c.instructorID = 0;
+		editCourse(c);
 	}
 	// basic printout of school infor
 	public void schoolInfo() {

338/homework5/makefile

@@ -1,8 +1,18 @@
-all:
-	javac App.java Course.java Instructor.java School.java Student.java
+cc=~/Downloads/jdk-11.0.2/bin/javac
+fxlib=--module-path /home/shockrah/Downloads/javafx-sdk-11.0.2/lib
+ctrl=--add-modules javafx.controls
+env=~/Downloads/jdk-11.0.2/bin/java
 
-run: all
-	@java App
+jfiles=App.java Course.java Instructor.java School.java Student.java
+cfiles=App
+
+all: $(jfiles)
+	$(cc) $(fxlib) $(jfiles) $(ctrl)
+
+run: $(cfile)
+	$(env) $(fxlib) $(ctrl) $(cfiles)
+
+.PHONY: clean
 
 clean: 
 	rm -f *class

338/tmp/makefile

@@ -9,8 +9,8 @@ cfiles=HelloFX
 all: $(jfiles)
 	$(cc) $(fxlib) $(jfiles) $(ctrl)
 
-run:
-	$(env) $(fxlib) $(ctrl) $(cfile) $(cfiles)
+run: $(cfile)
+	$(env) $(fxlib) $(ctrl) $(cfiles)
 	
 .PHONY: clean
 

338/tmp/tmp

@@ -0,0 +1,2 @@
+~/Downloads/jdk-11.0.2/bin/java --module-path /home/shockrah/Downloads/javafx-sdk-11.0.2/lib --add-modules javafx.controls 
+makefile:13: recipe for target 'run' failed